i only know of one such wind farm located in the state of nj... it is in atlantic city...seven or eight years ago it was being billed as the first of many to come...i do not know if it has been considered a success or not...it was built with all kinds of grant money and private investment funds...this industry around here is still in its infancy and cost prohibitive to say the least...not a total loss though as their web cam provides a very pretty view of the casino skyline...
Around here these have been installed by their own installers, that travel all over the world installing them, not much labor goes to local, other then local POCO infrastructure installation.